Large-Scale Synthesis and Self-Assembly of Monodisperse Spherical TiO₂ Nanocrystals

Figure 1

TEM images of TiO₂ nanocrystals grown at 300^∘C for different reaction times: (a) 1 h, (b) 3 h, (c) 6 h, and (d) 10 h. Average diameters of particles are (a) 5.6, (b) 7.0, (c) 8.0, and (d) 8.9 nm. All scale bars are 50 nm.

(a)

(b)

(c)

(d)